Patents Examined by Mahidere S Sahle
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Patent number: 11286408Abstract: Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The electro-optic assembly comprises a hybrid adhesive layer comprising two or more adhesive materials including a polyurethane adhesive material and a polyacrylate adhesive material. The polyurethane adhesive material includes an end-capping cyclic carbonate. In some embodiments, the adhesive layer is formed by curing the two adhesive materials under two different sets of conditions, comprising two or more curing steps.Type: GrantFiled: April 17, 2020Date of Patent: March 29, 2022Assignee: E Ink CorporationInventors: Eugene Bzowej, David Darrell Miller, Ziyan Wu
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Patent number: 11283975Abstract: An imaging device includes a housing having a surface that can engage the face of a patient. A cavity is at least partially defined by the surface. An anterior imaging system includes an optical lens barrel positioned inside the cavity, and the optical lens barrel includes a variable focus lens at one end and an image sensor array at an opposite end. One or more illumination LEDs are positioned around the periphery of the optical lens barrel at opposite sides of the variable focus lens, and are configured to illuminate the cavity to capture images of an anterior of the eye.Type: GrantFiled: December 21, 2018Date of Patent: March 22, 2022Assignee: Welch Allyn, Inc.Inventors: Thomas A. Myers, Christian H. Reinke, Carlos A. Suarez, Ynjiun P. Wang
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Patent number: 11266307Abstract: An evaluation device includes a display screen; a gaze point detection unit that detects a position of a gaze point of an examinee; an area setting unit that sets a specific area for a first indicator on the display screen; a determination unit that determines whether the gaze point is present in the specific area based on the position thereof; a display controller that displays a second indicator at a different position from the first indicator when determining that the gaze point is present in the specific area; a arithmetic unit that determines whether the examinee has recognized the second indicator; and an evaluation unit that evaluates a visual function of the examinee based on a determination result from the arithmetic unit. The display controller doesn't display the second indicator when determining that the gaze point isn't present in the specific area after the second indicator has been displayed.Type: GrantFiled: February 8, 2019Date of Patent: March 8, 2022Assignee: JVC KENWOOD CorporationInventor: Shuji Hakoshima
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Patent number: 11266309Abstract: The eye examination kiosk and method may comprise a structure for rotating and/or translating ophthalmologic examination devices such as an auto-refractor, an auto-keratometer, a corneal topographer, a fundus camera, an external photo camera, a perimeter, a lensmeter, a specular microscope, a retinal and external eye imager, an Optical Coherence Tomographer (OCT), or a non-contact tonometer into a position such that they may be used for examination of a patient. The kiosk outer shell may comprise an opening allowing the ophthalmologic examination equipment to perform eye examinations of a patient. Eye examination results are transmitted to a remote location where they are read by a physician, who transmits examination findings and recommendations for follow up treatment to the patient. The results may include the identity of qualified physicians who practice geographically near the patient, or who are qualified to treat a patient for a specific condition indication.Type: GrantFiled: September 17, 2017Date of Patent: March 8, 2022Assignee: Globechek Intellectual Holdings, LLCInventors: Adam M. Katz, William J. Mallon, David Gary Eldridge
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Patent number: 11264198Abstract: An objective lens arrangement that may include a magnetic lens and an electrostatic lens. The magnetic lens may include one or more coils, an upper polepiece and a lower polepiece. The electrostatic lens may include an upper electrode, an internal lower electrode and an external lower electrode. A majority of the internal lower electrode may be surrounded by a majority of the external lower electrode. The upper electrode, the internal lower electrode, and the external lower electrode are arranged in a coaxial relationship along an optical axis of the objective lens arrangement. An area of a bottom aperture of the external lower electrode may not exceed an area of a bottom aperture of the internal lower electrode.Type: GrantFiled: October 15, 2018Date of Patent: March 1, 2022Assignee: Applied Materials Israel Ltd.Inventors: Igor Petrov, Zvika Rosenberg, Arie Bader
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Patent number: 11249282Abstract: A photographing optical lens assembly includes seven lens elements, the seven lens elements are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element, wherein the first lens element has positive refractive power, the fifth lens element with negative refractive power has image-side surface being concave in a paraxial region thereof, the sixth lens element has an image-side surface being convex in a paraxial region thereof, and the seventh lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface of the seventh lens element includes at least one convex critical point in an off-axis region thereof.Type: GrantFiled: March 12, 2019Date of Patent: February 15, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Cheng-Chen Lin, Chun-Yen Chen, Yu-Tai Tseng, Kuan-Ting Yeh, Wei-Yu Chen
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Patent number: 11241152Abstract: An evaluation device includes: a display screen configured to displays images; a gaze point detection unit configured to detect a position of a gaze point of an examinee who observes the display screen; a display controller configured to display an indicator at an offset position having a predetermined relative positional relationship with the gaze point on the display screen based on a detection result of the position of the gaze point; an arithmetic unit configured to determine whether the examinee has recognized the indicator; and an evaluation unit configured to evaluate a visual function of the examinee based on a determination result from the arithmetic unit, wherein the arithmetic unit is further configured to determine that the examinee has recognized the indicator when the gaze point moves toward the indicator and thus the offset position is located outside the display screen.Type: GrantFiled: February 8, 2019Date of Patent: February 8, 2022Assignee: JVC KENWOOD CorporationInventor: Shuji Hakoshima
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Patent number: 11233189Abstract: A form birefringent optical element includes a structured layer and a dielectric environment disposed over the structured layer. At least one of the structured layer and the dielectric environment includes a nanovoided polymer, the nanovoided polymer having a first refractive index in an unactuated state and a second refractive index different than the first refractive index in an actuated state. Actuation of the nanovoided polymer can be used to reversibly control the form birefringence of the optical element. Various other apparatuses, systems, materials, and methods are also disclosed.Type: GrantFiled: January 30, 2019Date of Patent: January 25, 2022Assignee: Facebook Technologies, LLCInventors: Kenneth Diest, Andrew John Ouderkirk, Gregory Olegovic Andreev, Erik Shipton, Tanya Malhotra, Barry David Silverstein, Christopher Yuan Ting Liao
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Patent number: 11221480Abstract: A small information display apparatus capable of displaying video information on a windshield as a virtual image is provided. An information display apparatus configured to display video information of a virtual image on a windshield of a conveyance includes: a liquid crystal panel arranged as a video display apparatus configured to form the video information; and a virtual image optical system provided with a windshield for displaying the virtual image at a front of the conveyance by reflecting video of the liquid crystal panel by means of the windshield. The virtual image optical system is configured by arranging a concave mirror and an optical element between the concave mirror and the video display apparatus.Type: GrantFiled: April 26, 2016Date of Patent: January 11, 2022Assignees: MAXELL, LTD., HITACHI INDUSTRY & CONTROL SOLUTIONS, LTD.Inventors: Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko, Shigeki Hoshino
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Patent number: 11215790Abstract: A zoom lens comprises, in order from an object: a first lens group (G1) having positive refractive power; a second lens group (G2) having negative refractive power; a third lens group (G3) having positive refractive power; a fourth lens group (G4) having negative refractive power; and a fifth lens group (G5) having positive refractive power, in which the first to the fifth lens groups (G1 to G5) each move in an optical axis direction upon zooming from a wide angle end state to a telephoto end state, at least a part of the fourth lens group (G4) is configured to serve as a focusing lens group to move in the optical axis direction upon focusing, the first lens group (G1) consists of two lenses, and the following conditional expression is satisfied. 0.30<GD3/ft<0.8 where, GD3 denotes a thickness of the third lens group (G3) on the optical axis, and ft denotes a focal length of the zoom lens in the telephoto end state.Type: GrantFiled: September 30, 2016Date of Patent: January 4, 2022Assignee: NIKON CORPORATIONInventor: Keiichi Nakamura
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Patent number: 11215788Abstract: A variable focal length lens device includes: a lens system whose refractive index changes in accordance with a drive signal to be inputted; an objective lens disposed on the same optical axis as the lens system; an image detector configured to detect an image of a measurement target through the lens system and the objective lens: a resonance-lock controller configured to tune the drive signal to a resonance frequency of the lens system; and a resonance-lock delay controller configured to divide a change in a frequency of the drive signal by a change amount set by the resonance-lock controller to step-by-step changes for n times by a preset reference value to delay the change in the frequency of the drive signal.Type: GrantFiled: May 17, 2019Date of Patent: January 4, 2022Assignee: MITUTOYO CORPORATIONInventors: Hiroshi Sakai, Yutaka Watanabe, Gyokubu Cho
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Patent number: 11213200Abstract: An OCT system is arranged to capture a three-dimensional (3D) OCT scan of a target. The OCT system projects a beam scan towards the target, and the OCT system generates data corresponding to the beam scan. Additionally, an image sensor is arranged to capture an image of a trace of the beam scan on a surface of the target. Using the image of the trace, various characteristics of the target are determined.Type: GrantFiled: March 22, 2018Date of Patent: January 4, 2022Assignee: SANTEC CORPORATIONInventor: Changho Chong
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Patent number: 11209610Abstract: The zoom lens consists of a positive first lens group, a negative second lens group moving during zooming, a positive third lens group moving during zooming, and a positive fourth lens group which does not move during zooming in order from an object side. Only the third lens group moves during focusing. A lens surface closest to an object is a convex surface. A conditional expression of 5<TL2/(Y×ft)<9.5 which is related to a total optical length TL at a telephoto end, a maximum image height Y, and a focal length ft of the entire system at the telephoto end in a state in which an object at infinity is in focus is satisfied.Type: GrantFiled: May 20, 2019Date of Patent: December 28, 2021Assignee: FUJIFILM CorporationInventor: Masato Kondo
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Patent number: 11212007Abstract: Methods and systems for encoding multi-level pulse amplitude modulated signals using integrated optoelectronics are disclosed and may include generating a multi-level, amplitude-modulated optical signal utilizing an optical modulator driven by first and second electrical input signals, where the optical modulator may configure levels in the multi-level amplitude modulated optical signal, drivers are coupled to the optical modulator; and the first and second electrical input signals may be synchronized before being communicated to the drivers. The optical modulator may include optical modulator elements coupled in series and configured into groups. The number of optical modular elements and groups may configure the number of levels in the multi-level amplitude modulated optical signal. Unit drivers may be coupled to each of the groups. The electrical input signals may be synchronized before communicating them to the unit drivers utilizing flip-flops.Type: GrantFiled: May 28, 2019Date of Patent: December 28, 2021Assignee: Luxtera LLCInventors: Daniel Kucharski, Brian Welch, Sherif Abdalla
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Patent number: 11199728Abstract: Embodiments of the present disclosure are directed to eyewear (e.g., goggles, eye glasses, sun glasses, helmet shields, helmet visors, etc.) that can maximize the wearer's field of view when laminated lenses having electrically conductive functional layers (e.g., electrochromic and/or heating layers) are used. Improved field of view can be accomplished by means of reducing the bezel size of the laminated lens. For example, the bezel's non-transparent footprint can be reduced by stacking electronic components at a peripheral edge of the lens and securing with a frame assembly rather than a separate edge seal.Type: GrantFiled: November 30, 2018Date of Patent: December 14, 2021Assignee: Oakley, Inc.Inventors: Luis M. Jimenez, Christopher John Anderson
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Patent number: 11194117Abstract: The lens barrel disclosed herein comprises cam pin (3a, 3b, and 3c) fixed and supported by a lens holding frame (1); a biasing pin (4) that is biased and supported near one cam pin (3a) of the lens holding frame (1); and a cam frame (6) that has cam grooves that engage with each of the cam pins (3a, 3b, and 3c) and the biasing pin (4). The cam groove (7d) that engages with the biasing pin (4) engages with the biasing pin (4) on one side surface in the optical axis direction, and the cam groove (7a) that engages with the cam pin (3a) near the biasing pin (4) engages with the cam pin (3a) on the side surface on the opposite side in the optical axis direction from the side surface that engages with the biasing pin (4).Type: GrantFiled: July 11, 2018Date of Patent: December 7, 2021Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventor: Hiroyasu Fujinaka
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Patent number: 11194126Abstract: An electronic device includes at least one optical lens system. The optical lens system includes five lens elements, and the five lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. At least one of outside surfaces and inside surfaces of the first lens element, the second lens element, the third lens element, the fourth lens element and the fifth lens element is aspheric and includes at least one inflection point.Type: GrantFiled: October 16, 2018Date of Patent: December 7, 2021Assignee: LARGAN PRECISION CO., LTD.Inventor: Tzu-Chieh Kuo
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Patent number: 11187874Abstract: A wide-angle lens assembly includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens. The first lens has negative refractive power and includes a concave surface facing an image side. The second lens has negative refractive power and includes a concave surface facing the image side. The third lens has negative refractive power and includes a concave surface facing the image side. The fourth, fifth, seventh and eighth lenses have refractive power. The sixth and ninth lenses are biconvex lenses with positive refractive power. The first to ninth lenses are arranged in order from an object side to the image side along an optical axis.Type: GrantFiled: March 12, 2019Date of Patent: November 30, 2021Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.Inventors: Tao Fu, An-Kai Chang
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Patent number: 11187957Abstract: A light distribution control element includes a first transparent substrate, a second transparent substrate, first control electrodes and second control electrodes provided on the first transparent substrate, light-transmissive regions provided between the first transparent substrate and the second transparent substrate, and electrophoretic elements including electrophoretic particles charged to a specific polarity and having a light blocking property and optically transmissive dispersant. Each electrophoretic element is provided between two light-transmissive regions. At least a part of at least one of the first control electrodes and at least a part of at least one of the second control electrodes both overlap with each of the plurality of electrophoretic elements.Type: GrantFiled: September 25, 2018Date of Patent: November 30, 2021Assignee: TIANMA MICROELECTRONICS CO., LTD.Inventors: Tomoki Takaya, Yukihiro Ito
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Label-free contrast enhancement for translucent cell imaging by purposefully displacing the detector
Patent number: 11185222Abstract: A method for imaging vertebrate translucent retinal structures includes: imaging a translucent retinal structure at a first imaging plane in the retina with a light source focused at such first imaging plane, and detecting reflected light with a non-confocal off-axis detector, wherein the detector is axially displaced from a plane conjugate to the first imaging plane to a plane conjugate to a reflective layer deeper in the retina along a path of illumination from the light source.Type: GrantFiled: November 30, 2018Date of Patent: November 30, 2021Assignee: University of RochesterInventors: Raul Andres Guevara-Torres, Jesse Schallek